<template>
  <div>
    <city-header></city-header>
    <city-search :cities="cities"></city-search>
    <city-list :cities="cities" :hotCities="hotCities" :letter="letter"></city-list>
    <city-alphabet :cities="cities" @change="handleChange"></city-alphabet>
  </div>
</template>

<script>
import axios from 'axios'
import CityHeader from './components/Header'
import CitySearch from './components/Search'
import CityList from './components/List'
import CityAlphabet from './components/Alphabet'

export default {
  name: 'city',
  data() {
    return {
      hotCities: [],
      cities: {},
      letter: ''
    }
  },
  components: {
    CityHeader,
    CitySearch,
    CityList,
    CityAlphabet
  },
  methods: {
    getCityInfo() {
      axios.get('/city.json')
        .then(res => {
          res = res.data
          if (res.ret && res.data) {
            const data = res.data
            this.hotCities = data.hotCities
            this.cities = data.cities
          }
        })
    },
    // 监听 字母传值过来
    handleChange(letter) {
      this.letter = letter
    }
  },
  created() {
    this.getCityInfo()
  }
}
</script>

<style lang="stylus" scoped>
  @import '~styles/varibles.styl';

</style>
